Long Strangle options strategy

What is a long strangle?

A long strangle is created by buying an out-of-the-money put and an out-of-the-money call with the same expiration. Like a long straddle, it profits from a large move in either direction and has a maximum loss equal to the total premium paid. Because both options are out of the money, the strangle costs less than a straddle, but the underlying must move further before the trade becomes profitable.

The strategy is a lower-cost, direction-neutral volatility trade, often used when a trader expects a significant breakout but wants to limit the upfront outlay.

When to use it and the market view

A long strangle fits situations where the underlying has been compressed in a tight range and a large breakout seems possible, such as ahead of a court ruling, clinical trial result, or major macro announcement. If you think a stock near $200 could move to $170 or $230 but not sit near $200, buying the 190 put and 210 call gives exposure to both outcomes for less than an at-the-money straddle.

The lower cost comes with a trade-off: the break-even range is wider, so modest moves produce losses. As with straddles, check the price of the position against historical move sizes and be aware that implied volatility often falls after the event is resolved.

Payoff, formulas, and a 200 strike example

Let KP be the long put strike, KC the long call strike, S the expiration price, and D the total debit.

Profit = max(KP − S, 0) + max(S − KC, 0) − D

Breakevens = KP − D and KC + D · Maximum loss = D between the strikes

With the stock at 200, suppose you buy the 190 put for $5 and the 210 call for $5, a total debit of $10 per share ($1,000 per pair). At expiration:

• S between 190 and 210: both options expire worthless. Profit = −$10, the maximum loss.
• S = 215: the call is worth 5. Profit = 5 − 10 = −$5.
• S = 220 or 180: profit = $0. These are the breakevens.
• S = 230: profit = 20 − 10 = +$10 per share ($1,000 per pair).
• S = 175: profit = 15 − 10 = +$5 per share.

Compared with the 200 straddle example, the strangle costs $6 less but needs a 10% move instead of 8% to break even at expiration.

Maximum profit, loss, and breakeven

Measure	Formula	190/210 strangle, $10 debit
Maximum profit	Unlimited above; KP − D below	Unlimited upside; up to $180 per share if S reaches 0
Maximum loss	Total debit	$10 per share ($1,000) between 190 and 210
Breakevens at expiration	KP − debit, KC + debit	$180 and $220

Greeks and implied volatility impact

Delta is near zero at the start when the strikes are the same distance from the price. Gamma is positive but lower than a straddle's at first, rising as the underlying approaches either strike. Theta is negative, and because out-of-the-money options consist entirely of time value, the strangle can lose a large share of its value if the underlying stays quiet.

Vega is positive. An increase in implied volatility raises the value of both options; a drop reduces it. Because out-of-the-money options have a higher vega relative to their price, strangles can be especially sensitive to post-event volatility collapses.

Risks to manage

The biggest risk is that the underlying moves, but not enough, and the full debit is lost. Out-of-the-money options can also have wider bid-ask spreads relative to their price, raising trading costs. Size the trade so that a total loss of the premium is acceptable, and set a plan for taking profits on one leg if a sharp move happens early.